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Equity - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
 48 Months Ended
Dec. 31, 2020
Dec. 31, 2021
Aug. 16, 2021
Jul. 01, 2020
Dec. 31, 2019
Dec. 31, 2018
Class of Stock [Line Items]            
Common stock, issued (in shares) 35,928,000 36,675,000        
Common stock, par value (in dollars per share) $ 0.001 $ 0.001        
Shares authorized (in shares) 250,000,000 250,000,000        
Options outstanding (in shares) 91,000 324,000     0  
Number of securities issued for each warrant (in shares)   1        
Stock repurchase program, authorized amount     $ 25.0      
Common stock, outstanding (in shares) 35,928,000 36,675,000        
Restricted Stock            
Class of Stock [Line Items]            
Nonvested (in shares) 114,000 57,000     233,000 365,000
Options outstanding (in shares)   400,000        
Performance Share Units            
Class of Stock [Line Items]            
Nonvested (in shares) 205,000 34,000     92,000 111,000
Series A Warrants            
Class of Stock [Line Items]            
Common stock issued for general unsecured claims (in shares) 4,900,000          
Exercise price of warrants (in usd per share)   $ 41.34        
Series B Warrants            
Class of Stock [Line Items]            
Common stock issued for general unsecured claims (in shares) 2,100,000          
Exercise price of warrants (in usd per share)   $ 42.03        
The Tax Benefits Preservation Plan            
Class of Stock [Line Items]            
Common stock, par value (in dollars per share)       $ 0.001    
Number of rights per outstanding share of common stock       1    
Preferred stock, par value (in dollars per share)       $ 0.001    
The Tax Benefits Preservation Plan | Preferred Stock            
Class of Stock [Line Items]            
Exercise price of warrants (in usd per share)       $ 5    
Class of warrant or right, fractional number of securities called by each warrant or right (in shares)       0.001